Material for an organic electroluminescent device and organic electroluminescent device using the same

Abstract

Embodiments of the present disclosure are directed toward a material for an organic electroluminescent device (represented by Formula 1) and a device using the same: Ar 1 and Ar 2 may be a substituted or unsubstituted aryl group having 6 to 30 carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms, Ar 3 may be a substituted or unsubstituted aryl or heteroaryl group as above or an alkyl group having 1 to 6 carbon atoms, HAr may be a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms, L may be selected from a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, and a substituted or unsubstituted heteroarylene group having 5 to 30 carbon atoms, and HAr and Ar 3 may be different from each other.

What is claimed is: 
     
         1 . A material for an organic electroluminescent (EL) device represented by Formula 1: 
       
         
           
           
               
               
           
         
         wherein in Formula 1, 
         Ar 1  and Ar 2  are each independently selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, and a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring, 
         Ar 3  is selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring, and an alkyl group having 1 to 6 carbon atoms, 
         HAr is a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring, 
         L is selected from a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, and a substituted or unsubstituted heteroarylene group having 5 to 30 carbon atoms, and 
         HAr and Ar 3  are different from each other. 
       
     
     
         2 . The material of  claim 1 , wherein Ar 1  to Ar 3  are each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring. 
     
     
         3 . The material of  claim 1 , wherein HAr is selected from a dibenzofuryl group and a dibenzothienyl group. 
     
     
         4 . The material of  claim 1 , wherein the material for an organic EL device represented by Formula 1 is at least one selected from the following Compounds 1 to 132 and 135 to 138: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         5 . An organic electroluminescent (EL) device comprising a material for an organic EL device represented by Formula 1 in at least one layer: 
       
         
           
           
               
               
           
         
         wherein, in Formula 1, 
         Ar 1  and Ar 2  are each independently selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, and a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring, 
         Ar 3  is selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring, and an alkyl group having 1 to 6 carbon atoms, 
         HAr is a substituted or unsubstituted heteroaryl group having 5 to 30 carbon atoms for forming a ring, 
         L is selected from a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, and a substituted or unsubstituted heteroarylene group having 5 to 30 carbon atoms, and 
         HAr and Ar 3  are different from each other. 
       
     
     
         6 . The organic EL device of  claim 5 , wherein the material for an organic EL device is included in at least one laminated layer between an emission layer and an anode. 
     
     
         7 . The organic EL device of  claim 5 , wherein the material for an organic EL device is included in a hole transport layer. 
     
     
         8 . The organic EL device of  claim 5 , wherein Ar 1  to Ar 3  are each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring. 
     
     
         9 . The organic EL device of  claim 5 , wherein HAr is selected from a dibenzofuryl group and a dibenzothienyl group. 
     
     
         10 . The organic EL device of  claim 5 , wherein the material for an organic EL device represented by Formula 1 is at least one selected from the following Compounds 1 to 132 and 135 to 138: